Press Windows logo key + R, type winver, and press Enter. The About Windows box shows your version, such as 24H2, and the OS build number. You can also go to Start > Settings > System > About.
Applies to: Windows 11. Checked against Microsoft Support on September 29, 2026.
Check the version with winver
- Press Windows logo key + R to open Run.
- Type winver and select OK.

- Read the version and build in the About Windows box.

Check the version in Settings
Select Start > Settings > System > About. Under Windows specifications, you’ll see:
- Edition, such as Windows 11 Home or Pro.
- Version, such as 24H2. The first two digits are the year, and H2 means the second half.
- OS build, a more exact number used for updates and support.
For the rest of your PC’s details, see how to check your PC specs in Windows 11.
Is my version up to date?
Select Start > Settings > Windows Update > Check for updates. Windows installs the latest updates and tells you when new versions are ready.
Frequently asked questions
How do I know if I have Windows 10 or 11?
The About Windows box shows the name. See how to tell if you have Windows 10 or Windows 11.
Does the version change on its own?
Yes. Windows Update installs a new version about once a year, and the build number changes with monthly updates.
To hold off updates for a while, see how to stop or pause Windows 11 updates.
For more about the Run box, see how to open the Run box in Windows 11.
IT support may also ask for your PC’s domain. See how to find your domain name in Windows 11.
Microsoft’s reference is Find information about your Windows device. More help is on our Windows Help & Guides page.

Matt Jacobs has been working as an IT consultant for small businesses since receiving his Master’s degree in 2003. While he still does some consulting work, his primary focus now is on creating technology support content for SupportYourTech.com.
His work can be found on many websites and focuses on topics such as Microsoft Office, Apple devices, Android devices, Photoshop, and more.